Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

ROCKY BOY (RCBM8)

Lat: 48.25529°NLon: 109.78592°WElev: 3789.0ft.

NA

30°F

-1°C

Humidity 92%
Wind Speed E 2 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 12 Oct 05:18 AM MDT
Extended Forecast for

2 Miles E Rocky Boy MT

  • Overnight

    Overnight: A 50 percent chance of snow.  Cloudy, with a steady temperature around 27. Light northeast wind.  Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 27 °F

    Chance Snow

  • Columbus Day

    Columbus Day: A 40 percent chance of snow, mainly before 8am.  Cloudy, with a high near 34. Light and variable wind.  New snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Patchy fog after 9pm.  Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 19. Light south southwest wind.

    Low: 19 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am.  Otherwise, sunny, with a high near 41. South southwest wind 3 to 5 mph.

    High: 41 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog between 9pm and 3am.  Otherwise, mostly clear, with a low around 22. Calm wind.

    Low: 22 °F

    Patchy Fog

  • Wednesday

    Wednesday: Sunny, with a high near 50. Light and variable wind becoming west southwest around 6 mph in the afternoon.

    High: 50 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. Light and variable wind becoming west around 6 mph in the evening.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 52. West northwest wind 3 to 5 mph.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 50 percent chance of snow. Cloudy, with a steady temperature around 27. Light northeast wind. Total nighttime snow accumulation of 1 to 3 inches possible.
Columbus Day
A 40 percent chance of snow, mainly before 8am. Cloudy, with a high near 34. Light and variable wind. New snow accumulation of less than a half inch possible.
Monday Night
Patchy fog after 9pm. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 19. Light south southwest wind.
Tuesday
Patchy fog before 9am. Otherwise, sunny, with a high near 41. South southwest wind 3 to 5 mph.
Tuesday Night
Patchy fog between 9pm and 3am. Otherwise, mostly clear, with a low around 22. Calm wind.
Wednesday
Sunny, with a high near 50. Light and variable wind becoming west southwest around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 29. Light and variable wind becoming west around 6 mph in the evening.
Thursday
Sunny, with a high near 52. West northwest wind 3 to 5 mph.
Thursday Night
Partly cloudy, with a low around 29.
Friday
Sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Rocky Boy MT
 48.24°N 109.74°W (Elev. 4193 ft)
4:47 am MDT Oct 12, 2026
5am MDT Oct 12, 2026-6pm MDT Oct 18, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database